export function getNowTime () {
  var time = new Date();
  var h = time.getHours();
  var m = time.getMinutes();
  var s = time.getSeconds();
  h = h < 10 ? "0" + h : h;
  m = m < 10 ? "0" + m : m;
  s = s < 10 ? "0" + s : s;
  return `${h}:${m}:${s}`
}